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Surname Etymology and Meaning of MCKENNA

Name meanings and etymologies are often disputed. The information here is compiled from freely available sources, and no claims whatsoever are made for accuracy, either historical or etymological.

Irish and Scottish: Anglicized form of Gaelic Mac Cionaodha or Mac Cionaoith ‘son of Cionaodh’ (see McKinney 1).

Source: Dictionary of American Family Names (2003)